Characterization and reduction of noise in Mo/Au transition edge sensors

Mark A. Lindeman; Simon Bandler; Regis P. Brekosky; James A. Chervenak; Enectali Figueroa-Feliciano; Fred M. Finkbeiner; Tarek Saab; Caroline K. Stahle

doi:10.1016/j.nima.2003.11.264

Characterization and reduction of noise in Mo/Au transition edge sensors

Mark A. Lindeman^*, Simon Bandler, Regis P. Brekosky, James A. Chervenak, Enectali Figueroa-Feliciano, Fred M. Finkbeiner, Tarek Saab, Caroline K. Stahle

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We measured noise in a variety of Mo/Au transition-edge sensor (TES) X-ray calorimeters. We investigated the relationship between the noise, bias, and the superconducting phase transition in the TESs. Our square TES calorimeters have achieved very good energy resolutions (2.4 eV at 1.5 keV) but their resolutions have been limited by broadband white excess noise generated by the TES when it is biased in the phase transition. We have recently fabricated Mo/Cu TESs with interdigitated normal metal bars deposited on top of the bilayer. The new TES calorimeters have demonstrated little or no excess noise in the phase transition. These results point the way to development of TES calorimeters with higher energy resolution.

Original language	English (US)
Pages (from-to)	348-350
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	520
Issue number	1-3
DOIs	https://doi.org/10.1016/j.nima.2003.11.264
State	Published - Mar 11 2004

Keywords

Bilayer
Calorimeter
Gold
Molydenum
Reduced excess noise
Transition edge sensor

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2003.11.264

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Lindeman, M. A., Bandler, S., Brekosky, R. P., Chervenak, J. A., Figueroa-Feliciano, E., Finkbeiner, F. M., Saab, T., & Stahle, C. K. (2004). Characterization and reduction of noise in Mo/Au transition edge sensors. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 520(1-3), 348-350. https://doi.org/10.1016/j.nima.2003.11.264

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abstract = "We measured noise in a variety of Mo/Au transition-edge sensor (TES) X-ray calorimeters. We investigated the relationship between the noise, bias, and the superconducting phase transition in the TESs. Our square TES calorimeters have achieved very good energy resolutions (2.4 eV at 1.5 keV) but their resolutions have been limited by broadband white excess noise generated by the TES when it is biased in the phase transition. We have recently fabricated Mo/Cu TESs with interdigitated normal metal bars deposited on top of the bilayer. The new TES calorimeters have demonstrated little or no excess noise in the phase transition. These results point the way to development of TES calorimeters with higher energy resolution.",

keywords = "Bilayer, Calorimeter, Gold, Molydenum, Reduced excess noise, Transition edge sensor",

author = "Lindeman, {Mark A.} and Simon Bandler and Brekosky, {Regis P.} and Chervenak, {James A.} and Enectali Figueroa-Feliciano and Finkbeiner, {Fred M.} and Tarek Saab and Stahle, {Caroline K.}",

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Lindeman, MA, Bandler, S, Brekosky, RP, Chervenak, JA, Figueroa-Feliciano, E, Finkbeiner, FM, Saab, T & Stahle, CK 2004, 'Characterization and reduction of noise in Mo/Au transition edge sensors', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 520, no. 1-3, pp. 348-350. https://doi.org/10.1016/j.nima.2003.11.264

Characterization and reduction of noise in Mo/Au transition edge sensors. / Lindeman, Mark A.; Bandler, Simon; Brekosky, Regis P. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 520, No. 1-3, 11.03.2004, p. 348-350.

Research output: Contribution to journal › Article › peer-review

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T1 - Characterization and reduction of noise in Mo/Au transition edge sensors

AU - Lindeman, Mark A.

AU - Bandler, Simon

AU - Brekosky, Regis P.

AU - Chervenak, James A.

AU - Figueroa-Feliciano, Enectali

AU - Finkbeiner, Fred M.

AU - Saab, Tarek

AU - Stahle, Caroline K.

PY - 2004/3/11

Y1 - 2004/3/11

N2 - We measured noise in a variety of Mo/Au transition-edge sensor (TES) X-ray calorimeters. We investigated the relationship between the noise, bias, and the superconducting phase transition in the TESs. Our square TES calorimeters have achieved very good energy resolutions (2.4 eV at 1.5 keV) but their resolutions have been limited by broadband white excess noise generated by the TES when it is biased in the phase transition. We have recently fabricated Mo/Cu TESs with interdigitated normal metal bars deposited on top of the bilayer. The new TES calorimeters have demonstrated little or no excess noise in the phase transition. These results point the way to development of TES calorimeters with higher energy resolution.

AB - We measured noise in a variety of Mo/Au transition-edge sensor (TES) X-ray calorimeters. We investigated the relationship between the noise, bias, and the superconducting phase transition in the TESs. Our square TES calorimeters have achieved very good energy resolutions (2.4 eV at 1.5 keV) but their resolutions have been limited by broadband white excess noise generated by the TES when it is biased in the phase transition. We have recently fabricated Mo/Cu TESs with interdigitated normal metal bars deposited on top of the bilayer. The new TES calorimeters have demonstrated little or no excess noise in the phase transition. These results point the way to development of TES calorimeters with higher energy resolution.

KW - Bilayer

KW - Calorimeter

KW - Gold

KW - Molydenum

KW - Reduced excess noise

KW - Transition edge sensor

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ER -

Characterization and reduction of noise in Mo/Au transition edge sensors

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